05/12/2011 - Revision history

Shaproma at 21:28, 12 May 2011

2011-05-12T21:28:47Z

2011-05-12T21:27:16Z

2011-05-12T20:54:24Z

2011-05-12T20:53:07Z

2011-05-12T20:33:24Z

2011-05-12T20:31:59Z

2011-05-12T20:30:13Z

2011-05-12T20:18:36Z

2011-05-12T19:56:14Z

2011-05-12T19:56:02Z

@@ Line 20: / Line 20: @@
 Let's do the '''random coincidence cosmic ray test'''.
 PS1 and PS2 is about 30 cm away from each other. And let's look on the coincidence signal between PS1 and PS2:
 {| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"
@@ Line 45: / Line 46: @@
 Let's do the '''random coincidence cosmic ray test''' again.
 But now the distance between PS1 and PS2 is about 5 cm. And let's look on the coincidence signal between PS1 and PS2:
 {| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"

@@ Line 19: / Line 19: @@
-Let's do the '''random coincidence cosmic ray test'''. PS1 and PS2 is about 30 cm away from each other. And let's look on the coincidence signal between PS1 and PS2:
+Let's do the '''random coincidence cosmic ray test'''.
 {| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"
 ! scope="col" width="50" |
@@ Line 41: / Line 42: @@
 [[File:Rnd coinc cosmic.png | 800px]]

@@ Line 45: / Line 45: @@
 Let's do the '''2n correlation test''' with CF252 source. The voltages and thresholds are the same.
 First the set up is like:
 :PS1 and PS2 are parallel to each other and are faced to the source.

@@ Line 44: / Line 44: @@
-Let's do the '''2n correlation test''' with CF252 source. The voltages and thresholds are the same. Set up is like that:
+Let's do the '''2n correlation test''' with CF252 source. The voltages and thresholds are the same.
-:the distance between PS1 and PS2 is 12.5 cm and they faced to the source
 :the CF252 source in the middle
-Below are the total number of events (2n fission events + random coincident):
+The total number of events (2n fission events + random coincident) are:
 {| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"
 ! scope="col" width="50" |
@@ Line 64: / Line 67: @@
 !PS1+PS2
 |<math>1224\pm34.9</math>||10 min||<math>122.4\pm3.5</math>||<math>2.04\pm0.06</math>
 |}

@@ Line 48: / Line 48: @@
 :the CF252 source in the middle
 {| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"
 ! scope="col" width="50" |

← Older revision		Revision as of 20:30, 12 May 2011
Line 45:		Line 45:

	Let's do the '''2n correlation test''' with CF252 source. The voltages and thresholds are the same. Set up is like that:		Let's do the '''2n correlation test''' with CF252 source. The voltages and thresholds are the same. Set up is like that:
		+	:the distance between PS1 and PS2 is
		+	:the CF252 source in the middle
		+	Let's do the '''random coincidence cosmic ray test'''. PS1 and PS2 is about 30 cm away from each other. And let's look on the coincidence signal between PS1 and PS2:
		+	{\| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"
		+	! scope="col" width="50" \|
		+	! scope="col" width="50" \| total counts
		+	! scope="col" width="50" \| time
		+	! scope="col" width="50" \| counts/min
		+	! scope="col" width="50" \| counts/sec
		+	\|-
		+	!PS1
		+	\|<math>255977\pm505.9</math>\|\|10 min\|\|<math>25597.7\pm50.6</math>\|\|<math>426.63\pm0.84</math>
		+	\|-
		+	!PS1
		+	\|<math>421917\pm649.5</math>\|\|10 min\|\|<math>42191.7\pm64.9</math>\|\|<math>703.19\pm1.08</math>
		+	\|-
		+	!PS1+PS2
		+	\|<math>1224\pm34.9</math>\|\|10 min\|\|<math>122.4\pm3.5</math>\|\|<math>2.04\pm0.06</math>
		+	\|}

← Older revision		Revision as of 20:18, 12 May 2011
Line 41:		Line 41:

	[[File:Rnd coinc cosmic.png \| 800px]]		[[File:Rnd coinc cosmic.png \| 800px]]
		+
		+
		+
		+	Let's do the '''2n correlation test''' with CF252 source. The voltages and thresholds are the same. Set up is like that:

← Older revision		Revision as of 19:56, 12 May 2011
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	And below my scope pictures of this rear event:		And below my scope pictures of this rear event:
		+
	[[File:Rnd coinc cosmic.png \| 800px]]		[[File:Rnd coinc cosmic.png \| 800px]]

← Older revision		Revision as of 19:56, 12 May 2011
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	\|<math>3\pm1.7</math>\|\|70 min\|\|<math>0.043\pm0.024</math>\|\|<math>0.0007\pm0.0004</math>		\|<math>3\pm1.7</math>\|\|70 min\|\|<math>0.043\pm0.024</math>\|\|<math>0.0007\pm0.0004</math>
	\|}		\|}
		+
		+
		+	And below my scope pictures of this rear event:
		+	[[File:Rnd coinc cosmic.png \| 800px]]